I am seeing a curious issue with brltty. I am using a raspberry PI 3 (Linux raspberrypi 4.4.13-v7+ #894 SMP Mon Jun 13 13:13:27 BST 2016 armv7l GNU/Linux)
brltty is started by systemd at boot. If I run the brlapitest program I cannot get any response to input from the eight braille keys on my connected device. I do get normal response from the routing keys (the Bralliant has three either side of the display, two at the bottom and four at the front) michael@raspberrypi:~ $ ./brlapitest2 Driver name: HumanWare Braille display has 1 line of 32 columns Trying to enter in raw mode... brlapi_enterRawMode: Operation not supported Taking control of the tty... Ok Writing to braille display... Ok Waiting until a braille key is pressed to continue... got it! (code=20020000028) type 536870912, command 40, argument 0, flags 512 type CMD, command CSRTRK, argument 0, flags TOGGLE_OFF Leaving tty... Ok Curiously, if I restart brltty with "# systemctrl restart brltty.service" I then can get a respose from the braille keys. Driver name: HumanWare Braille display has 1 line of 32 columns Trying to enter in raw mode... brlapi_enterRawMode: Operation not supported Taking control of the tty... Ok Writing to braille display... Ok Waiting until a braille key is pressed to continue... got it! (code=27) type 0, command 0, argument 39, flags 0 type SYM, command LATIN1, argument 39, flags Leaving tty... Ok One change i made to the brlapitest.c is to use "brlapi_enterTtyModeWithPath(NULL, 0, NULL)" rather than "brlapi_enterTtyMode(BRLAPI_TTY_DEFAULT, NULL)" What would cause this different behavior between brltty started at boot and when it is restarted after boot ? Michael
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